TOP END PISTON KIT 87-87 YAMAHA YZ 250 68.5mm +0.5mm OVER VINTCO KTY39-0.5

This top end piston kit is for the 1987 Yamaha YZ250 and provides a complete top end rebuild package with a forged piston, matching gasket set and wrist pin bearing. The kit includes a MOS2-coated piston made in Germany for break-in and is supplied in a +0.5 mm oversize configuration for a nominal 68.5 mm application. Kit price includes a 10% discount compared with purchasing the individual items separately.

Features

• Complete top end piston kit
• Forged piston included
• MOS2-coated piston for break-in
• Made in Germany
• Includes head gaskets
• Includes base gasket
• Includes intake gasket
• Includes exhaust pipe gasket
• Includes holder gasket
• Includes O-ring
• Includes YPVS housing gasket
• Includes wrist pin bearing

Specifications

• VintCo Part Number: KTY39-0.5
• Item Category: Top End Piston Kits
• Piston oversize: +0.5 mm
• Nominal piston size: 68.5 mm
• Piston size: 68.44 mm
• Piston clearance: 0.06 mm

Cross-Reference OEM Part Numbers

• Head Gasket: 93211-17405-00
• Head Gasket: 93210-77363-00
• Base Gasket: 1LU-11351-01-00
• Intake Gasket: 39X-13621-11-00
• Exhaust Pipe Gasket: 3R4-14613-00-00
• Holder Gasket: 5X4-1131N-10-00
• O-Ring: 93210-270A8-00
• YPVS Housing Gasket: 1LU-11993-01-00

Vehicle Fitments

• 1987 Yamaha YZ250